Is “Rhombus” a Scrabble word?
Yes
RHOMBUS
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Rhombus
noun
1.A parallelogram having all sides of equal length.
2.In early Greek religion, an instrument whirled on the end of a string similar to a bullroarer.
3.Any of several flatfishes, including the brill and turbot, once considered part of the genus Rhombus, now in Scophthalmus.
Synonyms: diamond, lozenge, rhomb